Honda Racing Corporation is auctioning Ayrton Senna’s disassembled Honda V10 at the Bonhams auction on August 15, 2025. The 3.5 L V10 motor with serial number “RA100E-V805” was used by Ayrton during a warm-up session at the 1990 Japanese Grand Prix at Suzuka Circuit and in a race session in the 1990 Australian Grand Prix at Adelaide. Watch Honda Racing employees disassemble the V10 heads, oil sump, crankshaft, and pistons.
Source: Bonhams and Honda Racing Global